Y = -4x+2
x = -1
-4(-1) + 2 = /// 6 = y
x = 0
-4(-1) + 2 = /// 2 = y
x=1
-4(1) + 2 = /// -2 = y
x=2
-4(2) + 2 /// -6 = y
0.4 because there are 2 options and 5 choices to 2 over 5 is equal to 0.4
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
- Order of Operations: BPEMDAS
- Equality Properties
Step-by-step explanation:
<u>Step 1: Define</u>
<u />
<u />
<u />
<u>Step 2: Solve for </u><em><u>y</u></em>
- Cross-multiply:

- Multiply:

- Isolate <em>y</em>:

- Rewrite:

<u>Step 3: Check</u>
<em>Plug in y to verify it's a solution.</em>
- Substitute:

- Divide:

Here, we see that 3.125 does indeed equal 3.125. ∴ y = 1.44 is a solution of the equation.
The answer to this problem is 170
Answer:
water : sucrose : saline = 1000 : 199 : 271
Step-by-step explanation:
Given Information:
Process:
- convert everything to mL (same units)
- 1 litre = 1000 ml
- water = 1 litre = 1000 ml
- water : sucrose : saline = 1000 : 199 : 271